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feat: support resource limits on the build container

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Adds a `docker-args-process-build` trigger to the resource plugin so
limits set via `dokku resource:limit --process-type build APP` are
applied during the build phase. Only `build.limit.*` properties are
read - defaults do not inherit, since builds typically need more memory
than runtime and a leaked tiny default would cause confusing OOM
failures. Reservations are never applied at build time. Allowed flags
are filtered per builder: herokuish gets cpu, memory, memory-swap, and
nvidia-gpu; dockerfile gets memory and memory-swap; pack, nixpacks,
railpack, lambda, and null emit nothing because their underlying CLIs
do not accept docker run resource flags. The dockerfile builder
whitelists the new memory flags and corrects pre-existing typos where
`--ssh` mapped to `--platform` and `--ulimit` mapped to `--tag`.
This commit is contained in:
Jose Diaz-Gonzalez
2026-04-29 03:42:10 -04:00
parent d51726b7cb
commit 132f724841
7 changed files with 285 additions and 6 deletions
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2
plugins/resource/Makefile
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@@ -1,5 +1,5 @@
SUBCOMMANDS = subcommands/limit subcommands/limit-clear subcommands/report subcommands/reserve subcommands/reserve-clear
TRIGGERS = triggers/docker-args-process-deploy triggers/install triggers/post-app-clone-setup triggers/post-app-rename-setup triggers/post-delete triggers/report triggers/resource-get-property
TRIGGERS = triggers/docker-args-process-build triggers/docker-args-process-deploy triggers/install triggers/post-app-clone-setup triggers/post-app-rename-setup triggers/post-delete triggers/report triggers/resource-get-property
BUILD = commands subcommands triggers
PLUGIN_NAME = resource